Triple
T1924850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro C Line |
E40805
|
entity |
| Predicate | terminusWest |
P3375
|
FINISHED |
| Object |
Redondo Beach station
Redondo Beach station is a light rail transit station in Redondo Beach, California, serving as the western terminus of Los Angeles Metro's C Line.
|
E220805
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Redondo Beach station | Statement: [Metro C Line, terminusWest, Redondo Beach station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Redondo Beach station Context triple: [Metro C Line, terminusWest, Redondo Beach station]
-
A.
Long Beach station
Long Beach station is a Long Island Rail Road commuter rail terminal located in the city of Long Beach on the south shore of Long Island, New York.
-
B.
San Clemente Pier station
San Clemente Pier station is a coastal passenger rail stop in San Clemente, California, located adjacent to the San Clemente Pier and serving Amtrak and Metrolink trains.
-
C.
Oceanside station
Oceanside station is a Long Island Rail Road commuter rail stop in Oceanside, New York, providing regional train service to New York City and surrounding areas.
-
D.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Redondo Beach station Triple: [Metro C Line, terminusWest, Redondo Beach station]
Generated description
Redondo Beach station is a light rail transit station in Redondo Beach, California, serving as the western terminus of Los Angeles Metro's C Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Redondo Beach station Target entity description: Redondo Beach station is a light rail transit station in Redondo Beach, California, serving as the western terminus of Los Angeles Metro's C Line.
-
A.
Long Beach station
Long Beach station is a Long Island Rail Road commuter rail terminal located in the city of Long Beach on the south shore of Long Island, New York.
-
B.
San Clemente Pier station
San Clemente Pier station is a coastal passenger rail stop in San Clemente, California, located adjacent to the San Clemente Pier and serving Amtrak and Metrolink trains.
-
C.
Oceanside station
Oceanside station is a Long Island Rail Road commuter rail stop in Oceanside, New York, providing regional train service to New York City and surrounding areas.
-
D.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
-
E.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb260da088190ac53bfc9437e112b |
completed | March 7, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfbb0be848190a492ed8fa3b600ea |
completed | March 8, 2026, 10:44 p.m. |
| NEDg | Description generation | batch_69adfc2b6a0c8190a9129dc0a930d1b1 |
completed | March 8, 2026, 10:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adfd3ecb7881909a6692bb58211c2e |
completed | March 8, 2026, 10:50 p.m. |
Created at: March 4, 2026, 7:35 p.m.